From: Ferruh Yigit <ferruh.yigit@intel.com>
To: vattunuru@marvell.com, dev@dpdk.org
Cc: jerinj@marvell.com, stephen@networkplumber.org, thomas@monjalon.net
Subject: Re: [dpdk-dev] [PATCH v1 1/1] bus/vdev: add get iommu class callback
Date: Wed, 16 Oct 2019 19:10:31 +0100 [thread overview]
Message-ID: <d0b25027-cfb6-7e20-a55e-9e1856a13ea0@intel.com> (raw)
In-Reply-To: <20191016142901.31059-1-vattunuru@marvell.com>
On 10/16/2019 3:29 PM, vattunuru@marvell.com wrote:
> From: Vamsi Attunuru <vattunuru@marvell.com>
>
> When DPDK application is run with vdevs, EAL decides
> the iommu mode and accordingly application runs in
> either of the modes.
>
> For KNI kind of functionality with vdevs, since there
> is no backed device structure in kernel, iommu_mode = PA
> needs to be enforced during eal init.
>
> Patch adds get_iommu_class callback in vdev bus driver
> and returns iommu mode as PA when vdevs are used for
> kni functionality, callback returns iommu mode as DC
> in normal cases.
>
> Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
NACK, more comment on other thread:
https://mails.dpdk.org/archives/dev/2019-October/147459.html
prev parent reply other threads:[~2019-10-16 18:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 14:29 vattunuru
2019-10-16 14:42 ` Jerin Jacob
2019-10-16 18:10 ` Ferruh Yigit [this message]
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